Blue block print sampler, cardboard bifolio printed on 4 sides with blue background color. 1st front side: printed area horizontally divided into two sections – top: in diagonal stripes, small identical flowers with dotted leaves on stems. Number 404 pasted in the center at the top. – bottom: in vertical stripes, small, almost invisible dotted “trifoliate” shapes with inserted nine-dot squares. Number 504 pasted in the center. 2nd side: printed area with blue ornamental motif horizontally divided into two sections – top: in diagonal stripes, small designs composed of tiny stylized flowers. Number 406 pasted in the center at the top. – bottom: in horizontal stripes, pairs of identical stylized flowers connected by a stem. Number 407 pasted in the center. 3rd side: side printed with blue ornamental motifs horizontally divided into two sections – top: in diagonal stripes, small ornamental motif of identical dotted tiny flowers. Number 408 pasted in the center at the top. – bottom: in diagonal stripes, small ornamental motif of wheels with six dots inside each. Number 409 pasted in the center. 4th back side: side printed with small blue dotted floral motifs. Number 410 pasted in the center at the top. – bottom: in diagonal stripes, small ornamental motif of identical stylized hearts. Number 411 pasted in the center.